Lab H Flashcards
1
Q
Which of these structures are associated with the excretory system?
I. Uterus
II. Ureter
III. Urethra
A
II and III.
2
Q
In order to cause the tail to move, which structure is pulled with forceps?
A
tendons
3
Q
In the rat, one lung has two lobes while the other has three.
A
false
4
Q
In which structure does maturation and storage of sperm occur?
A
epididymis
5
Q
The ventral aspect is always toward the belly.
A
true
6
Q
Only animal parts can be place in the black bag at the front of the room. Absolutely no pins, applicator sticks or dissecting tools.
A
true
7
Q
All of the following are chemical/materials present in the rat dissection lab, except:
chemical preservatives,
Rats, Scalpels, Pins,
A
chemical preservatives
8
Q
Which piece of PPE is optional during the rat dissection lab.
A
safety googles
9
Q
The anterior aspect is always toward the head.
A
false
10
Q
What is the function of the spleen.
A
removal of blood cells and immunity
11
Q
The olfactory bulbs are at the posterior end of the brain.
A
false
12
Q
In order to inflate the lungs, which structure should be intubated (having tube inserted though it)?
A
trachea
13
Q
The medulla oblongata and the cerebellum are at the anterior of the brain
A
false
14
Q
How many segments does the small intestine consist of?
A
three
15
Q
In which part of the digestive tract does the most nutrient absorption occur?
A
jejunum and ileum
16
Q
Pins and dissecting tools must be
A
rinsed cleaned and dried
returned to the front for TA inspection
17
Q
part of body that is forward-most when animal is in locomotion
A
anterior
18
Q
in humans, anterior end coincide with the – side of the body
A
ventral
19
Q
in rats, the anterior end coincide with the –
A
head
20
Q
in humans, superior end coincides with the –
A
head
21
Q
in rats the superior is the same as
A
dorsal
22
Q
toward backbone
A
dorsal
23
Q
toward belly
A
ventral
24
Q
toward midline
A
medial
25
toward side
lateral
26
located near the point of reference
proximal
27
located away from the point of reference
distal
28
higher direction of body
superior
29
lower direction of body
inferior
30
two external features of rat that distinguish it as mammal
hair and mammary glands with external openings or teats
31
upper lip has a deep cleft called
philtrum
32
external portion of ears consists of a long fold called the -- that function to conduct sound to the external auditory meatus
pinna
33
very long whiskers called -- that have a sensory function
vibrissae
34
In male there is a scrotum that contains -- in ventral posterior region of rat
testes
35
contains both urinary and genital organs in males
penis
36
in females urethral opening is -- to the vaginal orifice
ventral
37
in both male and females, the anus is located at
the base of the tail
38
in females, the anus is -- to vaginal orifice
dorsal
39
lungs and heart are part of the -- cavity
thoracic
40
the posterior cavity
abdominal cavity
41
in anterior portion of abdominal cavity, the -- is divided into 4 lobes
liver
42
T/F: rats have gallbladder
false
43
stomach is -- to liver
posterior
44
large middle portion of stomach
fundus
45
constricted posterior region of stomach
pylorus
46
stomach opens to small intestine through the --
pyloric valve
47
smooth muscles in pyloric valve have circular arrangement, thus forming a -- that can regulate flow of material from stomach to small intestine
sphincter
48
-- envelops small intestine and other organs
mesentery
49
order of small intestine
duodenum, short jejunum and ileum
50
pancreas located in the region of the --
duodenum
51
junction of small intestine with large intestine
ileocolic valve
52
patches on ileum surface caused by -- in walls of ileum
lymph nodes
53
small intestine is about -- times the length of the rat's body
6
54
large intestine or colon first projects anteriorly to form the -- colon
ascending
55
in the region of the stomach, the colon turns posteriorly to form -- colon
descending
56
colon terminates at the --
rectum
57
-- embedded in fat in dorsal body wall, not suspended in mesentery
kidney
58
bean-shaped masses of tissue on the anterior end of each kidney
adrenal glands
59
-- lies between let kidney and spleen
left adrenal gland
60
ovaries lie in the region of the kidneys and are in close association with the --
fallopian tubes
61
fallopian tubes are small, high coiled and lead to the --
uteri
62
the rat uterus is divided into 2 complete uteri, each of which is referred to as
horn
63
left and right horns join and enter the -- which opens outside through the vaginal orifice
vagina
64
in non-breeding times, the testes are sometimes retracted into the
abdominal cavity
65
T/F: atrial walls are flexible
true
66
anterior side of heart
atria
67
-- enters right atrium
vena cavae
68
-- enter left atrium
pulmonary veins
69
posterior portions of heart
ventricles
70
large vessel that originates in the left ventricle and exits the heart dorsally and proceeds posteriorly along the region dorsal to the heart
aorta (aortic arch)
71
left lung has -- lobes
one
72
right lung as -- lobes
four
73
2 branching arteries from aorta going to head region
common carotid
74
2 branching arteries from aorta going upper extremities
axillary
75
right ventricle --- lungs
pulmonary artery
76
most anterior portion of the brain
olfactory lobe
77
-- is larger, anterior portion of brain adjacent to the olfactory lobe and posterior to the cerebellum
cerebrum
78
in between cerebrum and cerebellum there is a small structure
pineal gland
79
increases the surface-area- to-volume ratio of brain
cerebral cortex
80
mixing and digestion
stomach
81
digestion and absorption
small intestine
82
most digestion of food occurs here
duodenum
83
90% of nutrient absorption
jejunum and ileum
84
produces digestive enzymes that are released into the duodenum
pancreas
85
produces bile (fat digestion), which is released into the duodenum, energy storage, detoxification
liver
86
store ingested food, bacterial fermentation of cellulose, absorptive structure
caecum
87
processes material that remains after digestion and absorption; absorption of water and produce feces
large intestine
88
reabsorbs water and nutrients from water materials, processes waste to be eliminated
colon
89
prevents regurgitation of food form intestine back to stomach
pylori valve
90
filtration of nitrogenous waste from blood, osmoregulation
kidney
91
tube connecting kidney with urinary bladder
ureter
92
holds urine
bladder
93
temporary storage for solid waste
rectum
94
last portion of digestive tract, surrounded by sphincter muscles that allow control of stool
anus
95
produce eggs
ovaries
96
through which eggs reach uterus; fertilization usually occurs here
fallopian tubes (oviducts)
97
growth and dev of embryos
uterus
98
muscular tube extending from the uterus to the exterior of body; receptacle fro sperm; birth canal
vagina
99
produce sperm
testes
100
coiled tube in which sperm mature and are stored
epidiymis
101
duct that transports sperm to ejaculatory duct
vas deferens
102
short duct that passes through the prostate gland and opens into the urethra
ejaculatory duct
103
produces semen (fluid + sperm) which drains into the vas deferens
seminal vesicles
104
produce semen
prostate gland
105
tube that conducts urine or seem through penis
urethra
106
produce thick, lubricating compound which goes dirtily to the urethra
bulbourethral glands
107
transports urine and semen outside the body
penis
108
protects the testes and assists in temp regulation
scrotum
109
returns deoxygenated blood form upper body to heart
anterior vena cava
110
carries oxygenated blood to body
aorta
111
receives blood returning to heart from body
atria
112
transports oxygenated blood to upper body
axillary artery
113
transports blood to the structures inside and outside the skull
common carotid artery
114
transports deoxygenated blood from right ventricle into lungs
pulmonary artery
115
associated with higher brain functions, including all voluntary actions
cerebrum
116
controls autonomic functions (breathing, heart, digestion)
medulla oblongata
117
transmits signals to olfactory tract
olfactory lobe
118
produces melatonin, which affect sleep patterns
pineal body
119
removes wont-out blood cells and bacteria from blood; immunity
spleen
120
changes volume of the thoracic cavity for respiration
diaphragm
121
work in conjunction with hypothalamus and pituitary to produce hormones
adrenal glands
122
moves salive, liquid, foods from mouth to stomach
esophagus
123
supply oxygen, expel CO2
lungs
124
allows air to travel to lungs
trachea
